trim whitespace for dummies with an extra space in their name

suchwow/utils/helpers.py

@@ -23,7 +23,7 @@ def is_moderator(username):
 def get_session_user():
     if "auth" not in session or not session["auth"]:
         return None
-    return session["auth"]["preferred_username"]
+    return session["auth"]["preferred_username"].trim()
 
 def post_webhook(msg):
     try: